Abstract
Helicobacter pylori (Hp) infection is closely related to chronic active gastritis, peptic ulcer, mucosa-associated lymphoid tissue (MALT) lymphoma, and gastric cancer, and is also associated with some parenteral diseases. Eradication of Hp can significantly improve gastric mucosal inflammatory response, prevent or delay gastric mucosal atrophy, intestinal metaplasia and its development, partially reverse atrophy, and reduce the risk of gastric cancer in varying degrees. In recent years, the eradication failure rate has increased. There are many reasons for the failure of Hp eradication. Previous studies have suggested that Hp resistance to antibiotics is the main cause of eradication failure, but recent studies have found that poor compliance is the main reason.
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